Can You Train For A Marathon On A Treadmill?

Vinny Mauri is logging 120-mile weeks on a treadmill ahead of Chicago. Here’s what the science says about the pros, cons, and what you should do on race day surfaces.

Running Features

A Young Pastor Has Died After Going Into Cardiac Arrest at the Portland Marathon

The 24-year-old had about six miles left to run on Sunday when he collapsed, and he would have turned 25 later this month.

Race Coverage

The 2027 U.S. Marathon Championships Are Moving to Chicago

A field capped at 20 men and 20 women will contest the U.S. titles on Oct. 10, 2027, and the two winners earn the top qualifying standard for the 2028 Olympic Marathon Trials.

Elite Runners

2026 Chicago Marathon Elite Field: Sutume Kebede

The two-time Tokyo Marathon champion finished second in Chicago two years ago, and her 2:15:55 personal best makes her the third-fastest woman on Sunday’s start line.

Elite Runners

What to Expect From the Elite Women’s Race at the 2026 Chicago Marathon

Brigid Kosgei and defending champion Hawi Feysa lead a field with 12 women under 2:20, Sharon Lokedi runs her first flat marathon, and Emma Grace Hurley, the American 8K record holder, makes her marathon debut.

Race Coverage

Chicago Marathon Pace Calculator: Your Mile-by-Mile Race Plan

An interactive pace plan for every mile of the Chicago Marathon, built by mapping every turn, bridge and change in elevation on the course, calibrated against thousands of performances from the last four races, and adjusted for race-day weather.

Michael Doyle

Marathon Handbook 1
Marathon Handbook 2

2026 Chicago Marathon Elite Field: Vinny Mauri

The 25-year-old from Ohio ran the fastest marathon debut by an American in April while coaching himself and working in a running store. Chicago on Oct. 11 is only his second marathon.

Elite Runners

Marathon Handbook 3

2026 Chicago Marathon Elite Field: Clayton Young

The 2024 Olympian goes back to the course where his marathon career took off, chasing Conner Mantz’s 2:04:43 American record with a torn hamstring tendon to manage.

Elite Runners

Marathon Handbook 4

2026 Chicago Marathon Elite Field: Charles Hicks

The 25-year-old ran 2:04:35 at Boston in only his second marathon, and Chicago is his first since he became eligible to represent the United States in July. Here is who he is, what he has won, and what he wants from Sunday.

Elite Runners

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Marathon Handbook 5

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